Purpose To investigate the safety and effectiveness of ultrasound-guided microwave ablation(MWA)in the treatment of abdominal wall endometriosis(AWE).Materials and Methods A total of 17 patients(19 lesions)with AWE who underwent MWA in Beijing Friendship Hospital from August 2014 to June 2023 were retrospectively analyzed.Grey-scale and color Doppler flow ultrasonography,and contrast-enhanced ultrasonography were used to observe the lesions before and after treatment.The AWE lesion volume,volume reduction rate,pain relief,and complications were recorded 3,6,and 12 months after treatment to evaluate the treatment efficacy.Results Contrast-enhanced ultrasound showed that all lesions underwent successful treatment with single MWA.The average initial nodule volume was(7.46±5.82)ml,which decreased significantly to(4.32±2.76)ml,(2.47±1.68)ml,(1.72±1.16)ml at 3,6 and 12 months follow-up(t=0.423,P=0.005;t=0.198,P=0.001;t=0.556,P=0.002)with a mean volume reduction rate of(46.18±24.36)%,(61.43±18.72)%,(74.25±13.26)%,respectively.Notably,all 17 patients experienced a significant decrease or complete alleviation of periodic abdominal incision pain at 12-month after treatment.One patient experienced local skin burns after the procedure,while the remaining patients did not experience severe complications.Conclusion MWA is safe and effective for treating AWE,and further research is warranted.
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